WO2012169373A1 - 電池配線モジュール - Google Patents

電池配線モジュール Download PDF

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Publication number
WO2012169373A1
WO2012169373A1 PCT/JP2012/063458 JP2012063458W WO2012169373A1 WO 2012169373 A1 WO2012169373 A1 WO 2012169373A1 JP 2012063458 W JP2012063458 W JP 2012063458W WO 2012169373 A1 WO2012169373 A1 WO 2012169373A1
Authority
WO
WIPO (PCT)
Prior art keywords
bus bar
electric wire
voltage detection
wiring module
wall
Prior art date
Application number
PCT/JP2012/063458
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
治 中山
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Priority to EP12797306.3A priority Critical patent/EP2706593B1/de
Priority to US14/114,867 priority patent/US9287672B2/en
Priority to CN201280027881.5A priority patent/CN103597634B/zh
Publication of WO2012169373A1 publication Critical patent/WO2012169373A1/ja

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/006—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/571—Methods or arrangements for affording protection against corrosion; Selection of materials therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a battery wiring module attached to a unit cell group.
  • a battery module for power mounted in an electric vehicle or a hybrid vehicle is generally configured by connecting a large number of single cells in series via a bus bar.
  • a detection wire for detecting the state of the unit cell group such as a voltage detection line for measuring the terminal voltage of each unit cell, to the electrode terminal of the unit cell.
  • a battery wiring module including a bus bar and a detection wire to a unit cell group in which a plurality of unit cells are arranged.
  • a battery wiring module described in Patent Document 1 a plurality of bus bars are held at predetermined positions of the resin protector, and a plurality of detection wires are provided according to the number of single cells, and are provided in the resin protector. Are housed together in a wire housing groove.
  • an insulating lid is arranged on the one side of the bus bar, and the lid on the opposite side of the bus bar. It is conceivable to arrange the detection wires. At this time, as a means for positioning a plurality of detection electric wires arranged along the lid together to some extent, it is conceivable to bundle the detection electric wires with a binding band or the like.
  • the present invention has been completed on the basis of the above circumstances, and battery wiring that can be routed by superimposing detection wires on one side of the bus bar without deteriorating workability of assembly work.
  • the purpose is to provide modules.
  • the battery wiring module of the present invention is a battery wiring module that is attached to a unit cell group in which a plurality of unit cells having positive and negative electrode terminals are arranged, the bus bar being connected to the electrode terminal, and the unit cell group A detection wire for detecting the state of the above, a resin protector that holds the bus bar, a lid portion that covers the bus bar and is made of an insulating material, and the lid portion on the surface of the lid portion opposite to the bus bar And at least one wall portion that forms an arrangement space in which the detection electric wires are arranged.
  • the wall portions are a pair of wall portions provided on both sides of the detection electric wire, and the pair of wall portions extend continuously in a routing direction of the detection electric wire, and the pair of wall portions A wire covering portion that covers the detection wires routed in the routing space may be provided. According to such a configuration, the detection wire can be prevented from protruding outside from the routing space, and contact of the detection wire with the outside can be prevented.
  • the wire covering portion may be provided integrally with the lid portion so as to be rotatable between a closed state in which the routing space is closed and an open state in which the routing space is opened.
  • the detection electric wire with respect to the lid portion can be simply operated by simply opening the electric wire covering portion and arranging the detection electric wire in the arrangement space and rotating the electric wire covering portion to the closed state. Fixing and protection of the sensing wire can be performed.
  • the wire cover portion and the wall portion may be provided with a lock structure that locks the wire cover portion with each other as the wire cover portion rotates from the open state to the closed state.
  • a lock structure that locks the wire cover portion with each other as the wire cover portion rotates from the open state to the closed state.
  • the present invention it is possible to provide a battery wiring module capable of arranging and arranging detection wires on one side of a bus bar without deteriorating workability of assembly work.
  • FIG. 1 is a plan view of the battery wiring module according to the present embodiment, and is a plan view showing an open state of the lid.
  • FIG. 2 is a partially enlarged front view of the battery wiring module showing an open state of the lid.
  • FIG. 3 is a partially enlarged side view of the battery wiring module showing an open state of the lid.
  • FIG. 4 is a partially enlarged plan view of the battery wiring module showing the open state of the electric wire cover.
  • FIG. 5 is a partially enlarged front view of the battery wiring module showing the open state of the electric wire cover.
  • FIG. 6 is a partially enlarged side view of the battery wiring module showing an open state of the electric wire cover.
  • FIG. 7 is a partially enlarged plan view of the battery wiring module showing a closed state of the electric wire cover.
  • FIG. 8 is a partially enlarged front view of the battery wiring module showing a closed state of the electric wire cover.
  • FIG. 9 is a partially enlarged side view of the battery wiring module showing a closed state of the electric wire cover.
  • FIG. 10 is a cross-sectional view showing the closed state of the electric wire covering portion, and is a cross-sectional view corresponding to the cross section at the position AA in FIG.
  • FIG. 11 is a partially enlarged plan view of the battery wiring module showing a state in which the main body cover portion is mounted.
  • FIG. 12 is a schematic diagram showing the arrangement of bus bars with respect to the unit cell group.
  • the battery wiring module 10 in the present embodiment is attached to a unit cell group 13 in which a plurality of (in the present embodiment, eight) unit cells 12 having positive and negative electrode terminals 11 are arranged, and positive electrodes of different unit cells 12.
  • the electrode terminal 11 and the negative electrode terminal 11 are electrically connected.
  • a battery module in which the battery wiring module 10 is attached to the unit cell group 13 is used as a drive source of, for example, an electric vehicle or a hybrid vehicle.
  • the unit cell 12 is a lithium ion battery, a nickel metal hydride battery, other secondary batteries or the like, and includes a main body portion 14 in which battery elements (not shown) are accommodated, positive and negative electrode terminals 11, and a voltage detection terminal 15. And have.
  • the main body 14 has a flat rectangular box shape, and the positive and negative electrode terminals 11 and the voltage detection terminal 15 are provided on the upper surface of the main body 14.
  • the electrode terminal 11 and the voltage detection terminal 15 are made of metal (copper, copper alloy, aluminum, aluminum alloy, etc.), and are formed by a known method such as cutting, casting, or forging, and both are substantially centered. It has a nut shape in which a female screw hole 16 is formed at a position (see FIG. 12).
  • the voltage detection terminal 15 is disposed substantially at the center position of the positive and negative electrode terminals 11, and a voltage approximately intermediate between the positive and negative electrode terminals 11 of each cell 12 can be detected by the voltage detection terminal 15. .
  • the positive and negative electrode terminals 11 located at both ends of the unit cell group 13 connected in series constitute an output terminal 11A for outputting power to the outside.
  • a plurality of unit cells 12 are arranged in one direction (vertical direction) so that electrode terminals 11 of different polarities are adjacent to each other (four in the present embodiment).
  • the cell rows 17 arranged in a row are arranged in a plurality of rows (two rows in this embodiment) in the other direction (direction orthogonal to one direction, lateral direction).
  • the unit cell group 13 is integrally held by a holding member (not shown).
  • the battery wiring module 10 includes a plurality of bus bars 20 connected to the electrode terminals 11.
  • the bus bar 20 is formed by, for example, pressing a metal plate material such as copper, copper alloy, stainless steel (SUS), or aluminum into a predetermined shape.
  • the surface of the bus bar 20 may be plated with a metal such as tin or nickel.
  • the bus bars 20 are arranged at both ends of a first bus bar 21 that connects between the electrode terminals 11 of different polarities of the cells 12 arranged in the vertical direction, and the cell rows 17 that are connected in series by the first bus bar 21. It has the 2nd bus bar 22 which connects between the electrode terminals 11, and the output bus bar 23 which connects between the output terminal 11A and the terminal 26 for external connection.
  • the first bus bar 21 and the second bus bar 22 have a substantially rectangular shape as a whole, and the length in the longitudinal direction is determined according to the distance between the adjacent electrode terminals 11. Is also long.
  • the first bus bar 21 and the second bus bar 22 are formed with a pair of through-holes 24 through which a shaft portion of a bolt (not shown) screwed into the female screw hole 16 of the electrode terminal 11 can be inserted.
  • the through hole 24 is formed by punching the bus bar 20 in the thickness direction.
  • the output bus bar 23 is generally L-shaped as a whole, and at one end thereof, a through hole 24 through which a shaft portion of a bolt screwed to the output terminal 11A can be inserted is provided at the other end.
  • An external connection unit 25 to be connected is provided.
  • the external connection part 25 is bent in a substantially right angle direction with respect to the plate surface of the other part of the output bus bar 23, and an external connection terminal 26 protrudes substantially vertically at the center thereof.
  • the external connection terminal 26 has a bolt shape with a threaded outer peripheral surface, and is struck into a not-shown through hole formed in the external connection portion 25 or welded to the external connection portion 25. It is fixed.
  • the output bus bar 23 is connected to the first output bus bar 23A connected to the output terminal 11A arranged at the corner of the unit cell group 13 and the output terminal 11A arranged adjacent to the inside of the output terminal 11A. And a two-output bus bar 23B.
  • the first output bus bar 23A is longer than the second output bus bar 23B.
  • the external connection portion 25 of the first output bus bar 23A and the external connection portion 25 of the second output bus bar 23B are arranged side by side in the same vertical position.
  • the battery wiring module 10 includes a voltage detection terminal (detection terminal) 30 for detecting the voltage of the unit cell 12.
  • the voltage detection terminal 30 is formed by pressing a metal plate material such as copper, copper alloy, stainless steel, or aluminum into a predetermined shape.
  • the voltage detection terminal 30 includes a terminal body portion 32 in which a through hole 31 into which a shaft portion of a bolt screwed into the female screw hole 16 of the electrode terminal 11 or the voltage detection terminal 15 is inserted, and a voltage detection line ( And a wire crimping portion 34 to which a terminal portion of the detection wire 33 is crimped.
  • the surface of the voltage detection terminal 30 may be plated with a metal such as tin or nickel.
  • the through hole 31 is formed substantially at the center of the terminal main body 32, and the voltage detection terminal 30 is arranged at a position where the through hole 31 is aligned with the female screw hole 16 of the electrode terminal 11 or the voltage detection terminal 15. And connected by bolting.
  • the voltage detection terminal 30 has a first voltage detection terminal 30A that is fastened together with the bus bar 20 to the electrode terminal 11, and a second voltage detection terminal 30B that is connected to the voltage detection terminal 15 as a single unit.
  • the first voltage detection terminal 30A has a terminal body 32 that is larger than the second voltage detection terminal 30B.
  • the battery wiring module 10 includes a resin protector 40 made of synthetic resin that holds the plurality of bus bars 20.
  • the resin protector 40 is formed by connecting a plurality of connecting units in a state where slight relative movement is allowed.
  • the resin protector 40 includes a protector main body portion 42 that holds the bus bar 20 and the voltage detection terminal 30, and a stacked arrangement portion 60 for arranging the voltage detection line 33 on the one surface side (upper surface side) of the bus bar 20. is doing.
  • the stacked arrangement unit 60 will be described in detail later.
  • the protector body 42 has a bus bar housing 43 for housing and holding the bus bar 20 and a detection terminal housing 44 for housing and holding the terminal body 32 of the second voltage detection terminal 30B.
  • the bus bar accommodating portion 43 and the detection terminal accommodating portion 44 each have a substantially rectangular shape surrounded by the peripheral wall 45 and open in the vertical direction.
  • the peripheral wall 45 of the bus bar accommodating portion 43 and the detection terminal accommodating portion 44 rises to a position higher than the head of the bolt that is screwed to the electrode terminal 11 or the voltage detection terminal 15, and a tool or the like comes into contact with the head of the bolt. To prevent short circuit.
  • the peripheral wall 45 of the bus bar accommodating portion 43 and the detection terminal accommodating portion 44 is provided with an insertion portion 51 for projecting the electric wire crimping portion 34 of the voltage detection terminal 30 outward from the bus bar accommodating portion 43 or the detection terminal accommodating portion 44. Yes.
  • the bus bar housing portion 43 and the detection terminal housing portion 44 have a support portion (not shown) that supports the lower surface side of the bus bar 20 or the second voltage detection terminal 30B, and prevents the bus bar 20 or the second voltage detection terminal 30B from being detached upward.
  • the presser part 41 is provided, and the bus bar 20 and the second voltage detection terminal 30 ⁇ / b> B are pushed below the presser part 41 and are received in the bus bar storage part 43 or the detection terminal storage part 44.
  • the support portion is provided at a position where the electrode terminal 11 or the voltage detection terminal 15 can be avoided when the battery wiring module 10 is attached to the unit cell group 13.
  • the first voltage detection terminal 30 ⁇ / b> A is accommodated in the bus bar accommodating portion 43 in a state where the corner portion of the terminal main body portion 32 is locked to the peripheral wall 45.
  • the first bus bar accommodating portion 46 that accommodates the first bus bar 21 among the bus bar accommodating portions 43 is provided along both end edges (both short edges) extending in the vertical direction of the resin protector 40.
  • the detection terminal accommodating part 44 is arranged in the vertical direction at equal intervals between the first bus bar outer accommodating part 46A and the first bus bar outer accommodating part 46A.
  • the second bus bar accommodating portion 47 that accommodates the second bus bar 22 among the bus bar accommodating portions 43 is provided along both end edges (both long edges) extending in the lateral direction of the resin protector 40.
  • the output bus bar accommodating portion 48 that accommodates the output bus bar 23 in the bus bar accommodating portion 43 is provided at one end portion on the output terminal 11 ⁇ / b> A side in the lateral direction of the resin protector 40.
  • the output bus bar accommodating portion 48 includes a first output bus bar accommodating portion 48A that accommodates the first output bus bar 23A, and a second output bus bar accommodating portion 48B that accommodates the second output bus bar 23B.
  • the output bus bar accommodating portion 48 extends in the lateral direction of the resin protector 40 and has a shape bent substantially L-shaped toward the center in the vertical direction, and accommodates the terminal 26 for external connection at the end thereof.
  • An external terminal accommodating portion 49 is provided.
  • the first output bus bar accommodating portion 48A is provided at a position outside the second output bus bar accommodating portion 48B.
  • the resin protector 40 is provided with a wire receiving groove 52 that accommodates the voltage detection wire 33 connected to the voltage detection terminal 30 so as to extend linearly in the lateral direction.
  • the electric wire accommodation groove 52 has a pair of groove wall portions 53, and the voltage detection wire 33 is accommodated therebetween.
  • the electric wire receiving groove 52 is provided at a position closer to one end side in the longitudinal direction of the resin protector 40.
  • the wire housing groove 52 extends along the peripheral wall of the second bus bar housing portion 47, and one end side in the extending direction passes between the first bus bar inner housing portion 46B and the second bus bar housing portion 47 and the other end side. Passes between the first output bus bar accommodating portion 48A and the second output bus bar accommodating portion 48B.
  • the voltage detection wires 33 drawn out from the bus bar housing portion 43 and the detection terminal housing portion 44 are guided to the wire housing groove 52 and arranged together.
  • the tip of the voltage detection line 33 is connected to an ECU or the like (not shown), and the voltage of the unit cell 12 is measured.
  • the resin protector 40 includes a stacked arrangement portion 60 for stacking and arranging the voltage detection line 33 on the upper side of the bus bar 20.
  • the stacked arrangement portion 60 includes a lid portion 61 made of an insulating material that covers the bus bar 20, and an electric wire cover portion 62 that covers the voltage detection line 33 arranged on the upper surface of the lid portion 61.
  • the lid portion 61 has a substantially rectangular plate shape covering substantially the entire upper surface side (opening side) of the output bus bar accommodating portion 48 (substantially the entire portion excluding the upper portion of the output terminal 11A) (see FIG. 4).
  • the upper portion of the output terminal 11A is covered with a main body cover portion 54 that covers the upper surface side of the protector main body portion 42 (see FIG. 11).
  • the laminated arrangement part 60 is integrally connected to the protector main body part 42 via a flexible first hinge part 63 (see FIG. 1).
  • the first hinge portion 63 connects the outer wall extending in the lateral direction of the peripheral wall 45 of the first output bus bar accommodating portion 48 ⁇ / b> A and the outer edge of the lid portion 61.
  • the first hinge part 63 is provided with a pair at both ends of the outer edge of the lid part 61.
  • the stacked arrangement portion 60 includes a closed state (see FIGS. 4 to 6) in which the lid portion 61 abuts on the peripheral wall 45 of the output bus bar accommodating portion 48 to close the output bus bar accommodating portion 48, and the peripheral wall of the output bus bar accommodating portion 48. It is possible to rotate between an open state (see FIGS. 1 to 3) in which the output bus bar accommodating portion 48 is opened apart from 45.
  • the stacked arrangement portion 60 is provided with a pair of wall portions 64 standing on both sides of the voltage detection line 33 on the surface of the lid portion 61 opposite to the output bus bar 23, and between the pair of wall portions 64, It is a routing space S through which the voltage detection line 33 passes (see FIG. 10).
  • the pair of wall portions 64 are arranged so as to intersect the plate surface of the lid portion 61.
  • the pair of wall portions 64 rises substantially perpendicular to the plate surface of the lid portion 61, and the rising dimension (height dimension) is equal to the height dimension of the peripheral wall 45 of the bus bar housing portion 43, or More than that.
  • the pair of wall portions 64 are provided so as to continue from the electric wire receiving groove 52 to the lid portion 61 side.
  • the pair of wall portions 64 extend in the direction in which the electric wire led out from the electric wire receiving groove 52 is bent in a substantially right angle direction and is arranged, and is continuous in the arrangement direction of the voltage detection line 33.
  • the pair of wall portions 64 are formed to extend along the wiring direction of the voltage detection line 33.
  • One wall portion (referred to as an outer wall portion 64 ⁇ / b> A) of the pair of wall portions 64 is provided along the outer edge of the lid portion 61.
  • the outer wall portion 64 ⁇ / b> A extends linearly in a direction perpendicular to the wire receiving groove 52.
  • the other wall portion (referred to as the inner wall portion 64B) of the pair of wall portions 64 extends in the same direction as the wire receiving groove 52, and then bends and extends in the same direction as the extending direction of the outer wall portion 64A.
  • Most of the inner wall portion 64B is substantially parallel to the outer wall portion 64A, and an intermediate portion of the inner wall portion 64B is inclined in a direction approaching the outer wall portion 64A.
  • the routing space S of the voltage detection line 33 the side which continues to the electric wire accommodation groove
  • a cutout portion 65 is provided in the lid portion 61 at a position corresponding to the bent portion of the voltage detection line 33 by cutting out a part of the outer edge of the lid portion 61 into a substantially square shape.
  • the laminated arrangement portion 60 is provided with an electric wire covering portion 62 that covers the voltage detection wires 33 arranged in the arrangement space S across the pair of wall portions 64.
  • the outer wall portion 64A is provided integrally with the electric wire cover portion 62, and the electric wire cover portion 62 and the outer wall portion 64A form a substantially right angle.
  • the wire covering portion 62 is formed in a plate shape that is long in the extending direction of the voltage detection line 33 as a whole, and the edge portion that contacts the inner wall portion 64B is formed in a stepped shape along the inner wall portion 64B.
  • the inner wall portion 64B is provided integrally with the lid portion 61.
  • the wire covering portion 62 in the longitudinal direction is located on the peripheral wall 45 of the second output bus bar accommodating portion 48B, and the other end protrudes outward from the lid portion 61.
  • the wire covering portion 62 is substantially the entire portion except the end portion on the side connected to the wire receiving groove 52 in the routing space S, in other words, the bent portion of the portion of the voltage detection line 33 disposed on the lid portion 61 is excluded. It covers almost the whole.
  • An electric wire pressing piece 66 that holds the voltage detection wire 33 is provided at the end of the electric wire covering portion 62 that protrudes outward from the lid portion 61 (see FIGS. 2 and 5).
  • the wire covering portion 62 is integrally connected to the lid portion 61 via a flexible second hinge portion 67.
  • the wire covering portion 62 is rotatable between a closed state in which the routing space S is closed (see FIGS. 7 to 10) and an open state in which the routing space S is opened (see FIGS. 4 to 6). Is provided.
  • the 2nd hinge part 67 has connected between 64 A of outer wall parts provided integrally with the electric wire cover part 62, and the outer edge of the cover part 61 (refer FIG. 5).
  • a portion of the lid portion 61 where the second hinge portion 67 is provided (referred to as a connecting portion 61A) is located on the opposite side of the first hinge portion 63 from the notch portion 65 (see FIG. 1).
  • the second hinge part 67 is provided with a pair at the connecting part 61A.
  • the connecting portion 61A constitutes the bottom wall of the routing space S.
  • the laminated arrangement portion 60 and the protector main body portion 42 are provided with a first lock structure 68 that is locked with each other as the lid portion 61 rotates from the open state to the closed state.
  • the first lock structure 68 is provided at a plurality of locations (three locations in the present embodiment), and includes a first lock piece 68A provided on the lid portion 61 and a first lock protrusion 68B provided on the protector main body portion 42. It is configured.
  • the first lock piece 68 ⁇ / b> A has an opening into which the first lock protrusion 68 ⁇ / b> B is fitted, extends substantially vertically from the lid 61 to the one surface side (the output bus bar 23 side in the closed state), and the plate surface direction of the lid 61. Elastically displaceable.
  • the first lock pieces 68A are provided on both sides of the connecting portion 61A and on the opposite side.
  • One of the first lock pieces 68 ⁇ / b> A on both sides of the connecting portion 61 ⁇ / b> A is provided in the notch portion 65.
  • the first lock protrusion 68B is provided at a position corresponding to the first lock piece 68A in the protector main body 42.
  • the first lock protrusion 68B corresponding to the first lock piece 68A provided in the notch 65 in the first lock protrusion 68B is provided between the first output bus bar accommodating part 48A and the second output bus bar accommodating part 48B.
  • the opening 55 is provided so as to protrude.
  • the electric wire cover 62 and the lid 61 are provided with a second lock structure 69 that is locked with each other as the electric wire cover 62 rotates from the open state to the closed state.
  • the second lock structure 69 is provided at a plurality of locations (two locations in the present embodiment), and includes a second lock piece 69 ⁇ / b> A provided on the wire covering portion 62 and a second lock protrusion 69 ⁇ / b> B provided on the lid portion 61. It is configured.
  • the second lock piece 69 ⁇ / b> A has an opening into which the second lock protrusion 69 ⁇ / b> B is fitted, and extends substantially perpendicularly from the wire cover portion 62 to the one surface side (the lid portion 61 side in the closed state). It can be elastically displaced in the surface direction.
  • One second lock piece 69 ⁇ / b> A is provided in each of the wide portion and the narrow portion of the wire covering portion 62.
  • the second lock protrusion 69B is provided at a position corresponding to the second lock piece 69A in the inner wall part 64B provided integrally with the lid part 61.
  • the second lock protrusion 69B is provided so as to protrude from the outer surface of the inner wall portion 64B.
  • the lid 61 is laminated and fixed on the upper side of the output bus bar 23.
  • the lid 61 is opened and the output bus bar 23 is accommodated in the output bus bar accommodating portion 48 (see FIG. 1).
  • the lid 61 is rotated in the direction of the arrow in FIG.
  • the first locking piece 68A rides on the first locking projection 68B as the lid 61 rotates, and at the same time the first locking piece 68A gets over the first locking projection 68B.
  • the first lock structure 68 is locked (see FIG. 6).
  • the voltage detection line 33 is arranged on the upper surface of the lid 61.
  • the electric wire cover 62 is opened, and the bundle of voltage detection wires 33 led out from the electric wire receiving groove 52 is bent in a right angle direction and arranged in the routing space S of the lid portion 61 (see FIG. 4).
  • the voltage detection line 33 is pushed to the inner wall part 64B side by its own elastic restoring force, and is disposed and positioned along the inner wall part 64B.
  • the voltage detection line 33 is stacked on the upper side of the second output bus bar 23B across the width direction.
  • the electric wire cover 62 is rotated in the direction of the arrow in FIG.
  • the second lock piece 69A rides on the second lock protrusion 69B as the electric wire cover 62 rotates, and at the same time the second cover piece 69A is brought into the closed state, the second lock piece 69A moves the second lock protrusion 69B.
  • the second lock structure 69 is locked (see FIG. 9).
  • the voltage detection line 33 is stacked and fixed on the upper side of the output bus bar 23.
  • the battery wiring module 10 of the present embodiment assembled in this way is attached to the upper surface side of the unit cell group 13 arranged with the electrode terminals 11 facing upward. That is, the battery wiring module 10 is mounted on the upper side of the unit cell group 13 and screwed into the respective female screw holes 16 through the shaft portions of the bolts to the through holes 24 of the bus bar 20 and the through holes 31 of the voltage detection terminals 30. Thus, the adjacent positive and negative electrode terminals 11 are connected and the voltage detection terminal 30 is connected to the predetermined electrode terminal 11 and the voltage detection terminal 15 to complete the battery module.
  • the battery wiring module 10 of the present embodiment is a battery wiring module 10 that is attached to a unit cell group 13 in which a plurality of unit cells 12 having positive and negative electrode terminals 11 are arranged, and is a bus bar connected to the electrode terminals 11.
  • a voltage detection line 33 for detecting the state of the cell group 13 and a resin protector 40 that holds the bus bar 20
  • the resin protector 40 is a lid made of an insulating material that covers the output bus bar 23.
  • 33 is a distribution space S through which 33 passes.
  • the voltage detection lines 33 can be collectively positioned to the lid portion 61. Therefore, it is possible to arrange the voltage detection line 33 so as to overlap the one side of the output bus bar 23 without deteriorating the workability of the assembly work.
  • the pair of wall portions 64 extend continuously in the routing direction of the voltage detection line 33, and the electric wires that cover the voltage detection wire 33 routed in the routing space S across the pair of wall portions 64.
  • a cover 62 is disposed. Thereby, the protrusion of the voltage detection line 33 from the routing space S to the outside can be restricted, and contact with the outside of the voltage detection line 33 can be prevented.
  • the wire covering portion 62 is provided integrally with the lid portion 61 so as to be rotatable between a closed state in which the routing space S is closed and an open state in which the routing space S is opened.
  • the voltage detection with respect to the cover part 61 is carried out by a simple operation of opening the electric wire covering part 62 and arranging the voltage detection line 33 in the arrangement space S and rotating the electric wire covering part 62 to the closed state.
  • the wire 33 can be fixed and the voltage detection wire 33 can be protected.
  • the lid portion 61 and the wire cover portion 62 are provided with a second lock structure 69 that is engaged with each other as the wire cover portion 62 rotates from the open state to the closed state.
  • the electric wire cover part 62 and the cover part 61 can be locked by the simple operation
  • the female screw hole 16 is formed in the electrode terminal 11 and the voltage detection terminal 15, and the bus bar 20 and the voltage detection terminal 30 are connected to the female screw hole 16 by the bolt. 11 or the voltage detection terminal 15 is pressed and fixed, but the present invention is not limited to this.
  • the electrode terminal and the voltage detection terminal have a bolt shape, and the bus bar and the voltage detection terminal are the electrode terminal or the voltage. It is good also as what is pressed and fixed to each by the nut paired with the terminal for a detection.
  • the unit cell 12 is a prismatic cell in which the main body 14 forms a flat square box shape, but the present invention can be applied to any type of unit cell.
  • the present invention can be applied to a cylindrical unit cell having a main body formed in a columnar shape.
  • the resin protector 40 is provided with the some connection unit, it is not restricted to this,
  • the resin protector may be one resin plate which can hold
  • the present invention is applied to the case where the voltage detection line 33 is stacked on the output bus bar 23 disposed at the end of the resin protector 40.
  • the present invention is not limited to this.
  • the present invention can also be applied to a case where, for example, a detection electric wire such as a voltage detection line is laminated on a bus bar arranged at the center of the resin protector.
  • the inner wall portion 64B is provided integrally with the lid portion 61.
  • the inner wall portion 64B is not limited thereto, and for example, the inner wall portion is provided integrally with the protector main body portion, and the inner wall portion is provided on the lid portion. It is good also as what makes the through-hole for projecting to the opposite side, and makes an inner wall part project to the voltage detection line side from this through-hole.
  • the inner wall portion 64B is provided integrally with the lid portion 61 and the outer wall portion 64A is provided integrally with the wire covering portion 62. You may provide both a pair of wall part integrally with a cover part.
  • the pair of wall portions 64 are erected on both sides of the voltage detection line 33.
  • the present invention is not limited to this, for example, only on the side where the voltage detection line is pressed by its own elastic restoring force.
  • a wall inner wall may be provided.
  • the stacking arrangement part 60 is connected by the protector main body part 42 and the first hinge part 63.
  • the present invention is not limited thereto, and the stacking arrangement part is separated from the protector main body part. It is good also as what shall be connected to a protector main-body part using a connection means separately as needed.
  • the electric wire covering portion 62 covers substantially the entire routing space S.
  • the present invention is not limited to this.
  • the electric wire covering portion is provided so as to cover only a part of the routing space. Moreover, it is good also as what provides such an electric wire cover part in multiple places.
  • the wall 64 extends continuously along the voltage detection line 33.
  • the present invention is not limited to this, and for example, a plurality of walls may be provided on the side of the voltage detection line. It may be divided into places.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Mounting, Suspending (AREA)
PCT/JP2012/063458 2011-06-09 2012-05-25 電池配線モジュール WO2012169373A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12797306.3A EP2706593B1 (de) 2011-06-09 2012-05-25 Batterieverkabelungsmodul
US14/114,867 US9287672B2 (en) 2011-06-09 2012-05-25 Battery wiring module including a wire routing space disposed on a lid covering a bus bar
CN201280027881.5A CN103597634B (zh) 2011-06-09 2012-05-25 电池布线模块

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-129310 2011-06-09
JP2011129310A JP5741230B2 (ja) 2011-06-09 2011-06-09 電池配線モジュール

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WO2012169373A1 true WO2012169373A1 (ja) 2012-12-13

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Country Link
US (1) US9287672B2 (de)
EP (1) EP2706593B1 (de)
JP (1) JP5741230B2 (de)
CN (1) CN103597634B (de)
WO (1) WO2012169373A1 (de)

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WO2015015667A1 (ja) * 2013-07-30 2015-02-05 株式会社オートネットワーク技術研究所 配線モジュール
US20160072113A1 (en) * 2013-05-27 2016-03-10 Yazaki Corporation Bus bar module and power supply device
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US9692023B2 (en) 2012-10-10 2017-06-27 Autonetworks Technologies, Ltd. Electricity storage module
CN110875458A (zh) * 2018-08-29 2020-03-10 住友电装株式会社 电池布线模块
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KR102399621B1 (ko) * 2017-05-12 2022-05-18 현대자동차주식회사 배터리 시스템
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JP6299917B1 (ja) * 2017-08-09 2018-03-28 株式会社オートネットワーク技術研究所 接続モジュール
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JP6414361B1 (ja) * 2018-03-30 2018-10-31 株式会社オートネットワーク技術研究所 接続モジュール
JP6485578B1 (ja) * 2018-05-23 2019-03-20 株式会社オートネットワーク技術研究所 接続モジュール
JP6973312B2 (ja) * 2018-07-09 2021-11-24 株式会社オートネットワーク技術研究所 端子台、及び導電路
JP6820896B2 (ja) * 2018-10-16 2021-01-27 本田技研工業株式会社 バッテリユニット
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US20140057152A1 (en) * 2011-06-22 2014-02-27 Yazaki Corporation Busbar module unit
US9601742B2 (en) * 2011-06-22 2017-03-21 Yazaki Corporation Busbar module unit
US9692023B2 (en) 2012-10-10 2017-06-27 Autonetworks Technologies, Ltd. Electricity storage module
WO2014175115A1 (ja) * 2013-04-26 2014-10-30 矢崎総業株式会社 バスバモジュール
WO2014181820A1 (ja) * 2013-05-08 2014-11-13 矢崎総業株式会社 バスバモジュール
JP2014220128A (ja) * 2013-05-08 2014-11-20 矢崎総業株式会社 バスバモジュール
US20160072113A1 (en) * 2013-05-27 2016-03-10 Yazaki Corporation Bus bar module and power supply device
WO2015015667A1 (ja) * 2013-07-30 2015-02-05 株式会社オートネットワーク技術研究所 配線モジュール
CN105431965A (zh) * 2013-07-30 2016-03-23 株式会社自动网络技术研究所 配线模块
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CN110875458A (zh) * 2018-08-29 2020-03-10 住友电装株式会社 电池布线模块
CN113497308A (zh) * 2020-04-07 2021-10-12 矢崎总业株式会社 汇流条模块
CN113497308B (zh) * 2020-04-07 2023-03-31 矢崎总业株式会社 汇流条模块

Also Published As

Publication number Publication date
EP2706593B1 (de) 2017-11-22
JP2012256538A (ja) 2012-12-27
EP2706593A1 (de) 2014-03-12
US9287672B2 (en) 2016-03-15
CN103597634B (zh) 2016-02-24
JP5741230B2 (ja) 2015-07-01
US20140065885A1 (en) 2014-03-06
CN103597634A (zh) 2014-02-19
EP2706593A4 (de) 2015-04-01

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